Which aspect is NOT a responsibility of a certificated mechanic?

A certificated mechanic typically holds specific responsibilities that align with their training and the regulations set forth by aviation authorities. One key area of their role includes making minor repairs to aircraft, which is well within their capability and is an essential part of maintaining aircraft safety and reliability. Additionally, a certificated mechanic is responsible for conducting routine inspections, ensuring that all components of the aircraft are functioning properly, and adhering to safety regulations.

However, performing major alterations to propellers is not generally a responsibility of a certificated mechanic unless they have received specific authorization or additional training. Major alterations typically require specialized knowledge and may involve complex modifications that affect the aircraft's performance, structural integrity, or compliance with aviation standards. Thus, this responsibility usually falls to individuals with advanced certifications or specific ratings that allow them to conduct such intricate and significant modifications.

Tracking maintenance hours is another important task that is commonly undertaken by certificated mechanics. This involves keeping detailed logs and documentation to ensure compliance with maintenance schedules and regulatory requirements, thus contributing to the overall safety and operational efficiency of the aircraft.

In summary, while certificated mechanics have a broad scope of responsibilities, major alterations—especially to critical components like propellers—demand a higher level of qualification and oversight, making it a task not typically